OOAD Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

OOAD Interview Questions

Questions Answers Views Company eMail

If a method definition has been specified in class , its base class , and the interface which the class is implementing, which definition will be picked if we try to access it using interface reference and class object?

1034

What is difference between encapsulation and abstraction?

1050

Difference between encapsulation and data hiding ?

947

Difference between abstraction and implementation hiding ?

1139

What are the features of encapsulation ?

1030

Difference between composition and inheritance ?

1030

Are constructors inherited? Can a subclass call the parent's class constructor? When?

1043

Can we reduce the visibility of the inherited or overridden method ?

1091

Which of the following is tightly bound ? Inheritance or composition ?

1 1711

Does a class inherit the constructor of its super class?

984

How many methods do u implement if implement the serializable interface?

1003

What does the “abstract” keyword mean in front of a method? A class?

1038

How many methods are there in the externalizable interface?

1085

What interface must an object implement before it can be written to a stream as an object?

1118

What does it mean that a method or class is abstract?

1026

Post New OOAD Questions

Un-Answered Questions { OOAD }

Can we override static methods of a class?

1069

Differentiate between a class and a method.

1160

Can encapsulation be called as a security device?

1037

What is a final variable?

1083

What is a try/ catch block?

1040

Which keyword can be used for overloading?

1035

What is the use of ‘finalize’?

1074

Can you explain primordial class loader?

962

What is abstraction? How does it differ from encapsulation

1011

What are different ways to create string object?

1202

What is the use if instanceof keyword? And how do refer to a current instance of object?

988

Can an interface have an inner class?

1093

What are all the operators that cannot be overloaded?

1035

Can you call the base class method without creating an instance?

1134

What are a base class, subclass, and superclass?

1040

For More Un-Answered { OOAD } Questions Click Here